188989913924 has 48 divisors (see below), whose sum is σ = 379045016448. Its totient is φ = 80767715328.

The previous prime is 188989913923. The next prime is 188989913927. The reversal of 188989913924 is 429319989881.

It is not an unprimeable number, because it can be changed into a prime (188989913923) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 18109412 + ... + 18119844.

It is an arithmetic number, because the mean of its divisors is an integer number (7896771176).

Almost surely, 2^188989913924 is an apocalyptic number.

188989913924 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

188989913924 is an abundant number, since it is smaller than the sum of its proper divisors (190055102524).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

188989913924 is a wasteful number, since it uses less digits than its factorization.

188989913924 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12204 (or 12202 counting only the distinct ones).

The product of its digits is 80621568, while the sum is 71.

The spelling of 188989913924 in words is "one hundred eighty-eight billion, nine hundred eighty-nine million, nine hundred thirteen thousand, nine hundred twenty-four".